Alderson, Oklahoma has a humid subtropical climate characterized by hot summers and mild winters. The town sits on the banks of the Kiamichi River, which provides a variety of outdoor recreation opportunities such as fishing, kayaking, and swimming. The river also supports a diverse aquatic ecosystem consisting of various fish species, including catfish, bass, and crappie. Alderson is situated in a region with a high concentration of abandoned coal mines, which can pose a risk to the water quality due to the presence of acid mine drainage. However, the state and federal environmental agencies have been working to mitigate this issue. Overall, Alderson offers a scenic location for outdoor enthusiasts to enjoy the region's natural beauty.